High-Temperature Creep Behavior of a Nickel-Based Single-Crystal Superalloy with Small-Angle Deviation from [111] Orientation

Figure 8

A schematic diagram of dislocation movement of the alloy during steady-state creep at 1040°C/137 MPa: (a) schematic diagram of γ′ phase lamellar rafting, (b) slip, cross slip, and climbing of dislocations, and (c) obstruction of the γ′ phase for the dislocation slip.

(a)

(b)

(c)